/*******************************************************************************
 * This file is part of RedReader.
 *
 * RedReader is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * RedReader is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with RedReader.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

package org.quantumbadger.redreader.common;

import androidx.annotation.NonNull;

public class ThreadCheckedVar<E> {

	private E mValue;
	@NonNull private final Thread mThread;

	public ThreadCheckedVar(final E value) {
		mValue = value;
		mThread = Thread.currentThread();
	}

	public E get() {

		if(mThread != Thread.currentThread()) {
			throw new RuntimeException("Accessing variable from wrong thread");
		}

		return mValue;
	}

	public void set(final E value) {

		if(mThread != Thread.currentThread()) {
			throw new RuntimeException("Setting variable from wrong thread");
		}

		mValue = value;
	}
}
